feat: initial push with a fully separated and organized user configuration for AstroNvim v3

updater.lua

@@ -0,0 +1,17 @@
+-- Configure AstroNvim updates
+return {
+  remote = "origin", -- remote to use
+  channel = "stable", -- "stable" or "nightly"
+  version = "latest", -- "latest", tag name, or regex search like "v1.*" to only do updates before v2 (STABLE ONLY)
+  branch = "main", -- branch name (NIGHTLY ONLY)
+  commit = nil, -- commit hash (NIGHTLY ONLY)
+  pin_plugins = nil, -- nil, true, false (nil will pin plugins on stable only)
+  skip_prompts = false, -- skip prompts about breaking changes
+  show_changelog = true, -- show the changelog after performing an update
+  auto_quit = false, -- automatically quit the current session after a successful update
+  -- remotes = { -- easily add new remotes to track
+  --   ["remote_name"] = "https://remote_url.come/repo.git", -- full remote url
+  --   ["remote2"] = "github_user/repo", -- GitHub user/repo shortcut,
+  --   ["remote3"] = "github_user", -- GitHub user assume AstroNvim fork
+  -- },
+}